James of Viterbo

James of Viterbo (; – ), born Giacomo Capocci (nicknamed Doctor speculativus), was an Italian Roman Catholic Augustinian friar and Scholastic theologian, who later became Archbishop of Naples.

Life

James was born Giacomo Capocci in Viterbo in the Papal States around the year 1255. Little information is available regarding his early years. He joined the Order of St. Augustine around the year 1272 at the monastery of the Most Holy Trinity in Viterbo. He was then sent to pursue theological studies at the Order's General House of Studies in Paris, where he studied under Giles of Rome. In May 1300, he became regent master of the order's studium generale in Naples. In December 1302, at the request of King Charles II of Naples, Capocci was transferred to the Archbishopric of Naples, where he oversaw construction of the Cathedral of the Assumption of Mary.

In 1303 Capocci obtained his Doctor of Theology, and published the treatise, De regimine christiano (On Christian Government). He was considered by his peers to be one of the best scholastic theologians of his time.

He died in Naples in 1307, where he was venerated as a holy man. His cult was confirmed by Pope Pius X in June 1914 He is commemorated in the Augustinian order on 4 June.

Work James wrote several works that reflected the teachings of Augustine of Hippo. The works authentically attributed to him are listed as follows: Lectura super IV libros Sententiarum Quaestiones Parisius disputatae De praedicamentis in divinis Quaestione de animatione caeli Quaestiones disputatae de Verbo Quodlibeta quattuor (four quodlibets) Abbreviatio in Sententiarum Aegidii Romani De perfectione specierum De regimine christiano Summa de peccatorum distinctione Sermones diversarum rerum Concordantia psalmorum David De confessione De episcopali officio